function submitRollOn(oSubmit) {
	oSubmit.style.backgroundImage = "url(http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/ok-b.jpg)";
}
function submitRollOff(oSubmit) {
	oSubmit.style.backgroundImage = "url(http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/ok-a.jpg)";
}

function onLoad() {
	//format tables with alternating colour for readability
	var oTable = document.getElementsByTagName("table");
	for (var i=0; i<oTable.length; i++) {
		for (var j=0; j<oTable[i].rows.length; j++) {
			if(j%2==0) {
				oRow = oTable[i].rows[j];
				for (var k=0; k<oRow.cells.length; k++) {
					oRow.cells[k].style.backgroundColor="#E9E9E9";
				}
			}
		}
	}
}

function squares_onmouseover(oElem)
{
	oElem.style.backgroundImage = "url('http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/MenuBox_over.gif')";
}

function squares_onmouseout(oElem)
{
	oElem.style.backgroundImage = "url('http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/MenuBox.gif')";
}

function rectangles_onmouseover(oElem)
{
	oElem.style.backgroundImage = "url('http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/MenuRectangle_over.jpg')";
}

function rectangles_onmouseout(oElem)
{
	oElem.style.backgroundImage = "url('http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/MenuRectangle.jpg')";
}
function showPopup(strUrl)
{
	window.open(strUrl,'_blank', 
		'width=710,height=500,left=100,top=100,location=no,menubar=no,resizeable=no,scrollbars=no,status=no,titlebar=no,toolbar=no')
}

function setImageTo(elem, sImg)
{
	elem.temp = elem.src
	elem.src = 'http://media.corporate-ir.net/media_files/irol/60/60759/redesign2008/images/' + sImg
}

function setImageBack(elem)
{
	elem.src = elem.temp	
}